[INFO] updating cached repository https://github.com/ClementNerma/Comic-Encoder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c986b21c3fa4d3ae3dd76636ee3eeec981a822d4
[INFO] checking ClementNerma/Comic-Encoder against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClementNerma%2FComic-Encoder" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ClementNerma/Comic-Encoder on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ClementNerma/Comic-Encoder
[INFO] finished tweaking git repo https://github.com/ClementNerma/Comic-Encoder
[INFO] tweaked toml for git repo https://github.com/ClementNerma/Comic-Encoder written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ClementNerma/Comic-Encoder already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d38087a5fcf3605df5647925e24006f3d9fe7bbd1ea9239a089bcb665eba4959
[INFO] running `"docker" "start" "-a" "d38087a5fcf3605df5647925e24006f3d9fe7bbd1ea9239a089bcb665eba4959"`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling encoding v0.1.0 (https://github.com/pdf-rs/encoding/#44cafed0)
[INFO] [stderr]     Checking ordermap v0.2.13
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking itertools v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tuple v0.4.3 (https://github.com/s3bk/tuple#c1d2eef8)
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]     Checking once_cell v0.2.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]    Compiling snafu-derive v0.4.4
[INFO] [stderr]    Compiling pdf_derive v0.1.19 (https://github.com/pdf-rs/pdf.git#94a5a180)
[INFO] [stderr]     Checking snafu v0.4.4
[INFO] [stderr]     Checking pdf v0.7.0 (https://github.com/pdf-rs/pdf.git#94a5a180)
[INFO] [stderr]     Checking comic-encoder v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.43s
[INFO] running `"docker" "inspect" "d38087a5fcf3605df5647925e24006f3d9fe7bbd1ea9239a089bcb665eba4959"`
[INFO] running `"docker" "rm" "-f" "d38087a5fcf3605df5647925e24006f3d9fe7bbd1ea9239a089bcb665eba4959"`
[INFO] [stdout] d38087a5fcf3605df5647925e24006f3d9fe7bbd1ea9239a089bcb665eba4959